diff --git a/epicsQt/eTime.py b/epicsQt/eTime.py
deleted file mode 100644
index 0042815..0000000
--- a/epicsQt/eTime.py
+++ /dev/null
@@ -1,52 +0,0 @@
-import PyQt4.Qt as Qt
-import epicsQt
-import css
-
-class eTime(Qt.QTimeEdit):
-    def __init__(self, parent, pvHour,pvMinute,pvSecond):
-        Qt.QTimeEdit.__init__(self,parent)
-        self.setEnabled(False)
-        
-        self.pvH=epicsQt.epicsQt(pvHour)
-        self.connect(self.pvH, Qt.SIGNAL('stateChanged(int)'), self.stateChanged)
-        self.connect(self.pvH, Qt.SIGNAL('valueChanged()'), self.valueChanged)
-        self.pvM=epicsQt.epicsQt(pvMinute)
-        self.connect(self.pvM, Qt.SIGNAL('stateChanged(int)'), self.stateChanged)
-        self.connect(self.pvM, Qt.SIGNAL('valueChanged()'), self.valueChanged)
-        self.pvS=epicsQt.epicsQt(pvSecond)
-        self.connect(self.pvS, Qt.SIGNAL('stateChanged(int)'), self.stateChanged)
-        self.connect(self.pvS, Qt.SIGNAL('valueChanged()'), self.valueChanged)
-
-        self.connect(self, Qt.SIGNAL('timeChanged(QTime)'),self.slotTimeChanged)
-
-    def valueChanged(self):
-        # avoid infinite loop
-        self.disconnect(self, Qt.SIGNAL('timeChanged(QTime)'), self.slotTimeChanged)
-        h = self.pvH.pv_value
-        m = self.pvM.pv_value
-        s = self.pvS.pv_value
-        # count for cases where minutes and seconds are above 60 
-        m += s / 60
-        s %= 60        
-        h += m / 60
-        m %= 60
-
-        self.setTime(Qt.QTime(h,m,s))
-        self.connect(self, Qt.SIGNAL('timeChanged(QTime)'), self.slotTimeChanged)
-
-    def slotTimeChanged(self,time):
-        h = time.hour()
-        m = time.minute()
-        s = time.second()
-        seconds = 3600 * h + 60 * m + s
-        self.pvH.array_put(0)
-        self.pvM.array_put(0)
-        self.pvS.array_put(seconds)
-
-    def stateChanged(self, state):
-        if state!=2:
-            self.setEnabled(False)
-            self.setStyleSheet(css.disabled)
-        else:
-            self.setEnabled(True)
-            self.setStyleSheet(css.normal)
diff --git a/setup.py b/setup.py
index a898ce8..c268410 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
        author_email= "xiaoqiangwang@gmail.com",
        url         = "http://github.com/CaChanel/epicsQt/",
        packages    = ["epicsQt"],
-       install_requires = ['CaChannel'],
+       install_requires = ['PyQt4', 'CaChannel'],
        license     = "BSD",
        platforms   = ["Windows", "Linux", "Mac OS X"],
        classifiers = ['Development Status :: 4 - Beta',